#include "xbt/dict.h"
#include "portable.h"
#include "surf_private.h"
+#include "storage_private.h"
#include "surf/surf_resource.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf,
"Logging specific to the SURF storage module");
surf_model_t surf_storage_model = NULL;
+lmm_system_t storage_maxmin_system = NULL;
+static int storage_selective_update = 0;
+static xbt_swag_t
+ storage_running_action_set_that_does_not_need_being_checked = NULL;
+
+#define GENERIC_LMM_ACTION(action) action->generic_lmm_action
+#define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
typedef struct surf_storage {
s_surf_resource_t generic_resource;
- const char* model;
+ const char* type;
const char* content; /*should be a dict */
} s_surf_storage_t, *surf_storage_t;
+static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state);
+static surf_action_t storage_action_sleep (void *storage, double duration);
+
static surf_action_t storage_action_open(void *storage, const char* path, const char* mode)
{
- return NULL;
+ return storage_action_sleep(storage,1.0);
}
static surf_action_t storage_action_close(void *storage, surf_file_t fp)
{
- return NULL;
+ return storage_action_sleep(storage,2.0);
}
static surf_action_t storage_action_read(void *storage, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
{
- return NULL;
+ return storage_action_sleep(storage,3.0);
}
static surf_action_t storage_action_write(void *storage, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
{
- return NULL;
+ return storage_action_sleep(storage,4.0);
}
static surf_action_t storage_action_stat(void *storage, int fd, void* buf)
{
- return NULL;
+ return storage_action_sleep(storage,5.0);
+}
+
+static surf_action_t storage_action_execute (void *storage, double size)
+{
+ surf_action_storage_t action = NULL;
+ storage_t STORAGE = storage;
+
+ XBT_IN("(%s,%g)", surf_resource_name(STORAGE), size);
+ action =
+ surf_action_new(sizeof(s_surf_action_storage_t), size, surf_storage_model,
+ STORAGE->state_current != SURF_RESOURCE_ON);
+
+ GENERIC_LMM_ACTION(action).suspended = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
+ GENERIC_LMM_ACTION(action).variable =
+ lmm_variable_new(storage_maxmin_system, action, 1.0, -1.0 , 1);
+ XBT_OUT();
+ return (surf_action_t) action;
}
-static void* storage_create_resource(const char* id, const char* model,
- const char* content, xbt_dict_t storage_properties)
+static surf_action_t storage_action_sleep (void *storage, double duration)
{
- XBT_INFO("SURF: storage_create_resource '%s'",id);
- surf_storage_t storage = NULL;
- xbt_assert(!surf_storage_resource_by_name(id),
- "Storage '%s' declared several times in the platform file",
- id);
- storage = (surf_storage_t) surf_resource_new(sizeof(s_surf_storage_t),
- surf_storage_model, id, storage_properties);
- storage->model = model;
- storage->content = content;
- xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
+ surf_action_storage_t action = NULL;
+
+ if (duration > 0)
+ duration = MAX(duration, MAXMIN_PRECISION);
- return storage;
+ XBT_IN("(%s,%g)", surf_resource_name(storage), duration);
+ action = (surf_action_storage_t) storage_action_execute(storage, 1.0);
+ GENERIC_ACTION(action).max_duration = duration;
+ GENERIC_LMM_ACTION(action).suspended = 2;
+ if (duration == NO_MAX_DURATION) {
+ /* Move to the *end* of the corresponding action set. This convention
+ is used to speed up update_resource_state */
+ xbt_swag_remove(action, ((surf_action_t) action)->state_set);
+ ((surf_action_t) action)->state_set =
+ storage_running_action_set_that_does_not_need_being_checked;
+ xbt_swag_insert(action, ((surf_action_t) action)->state_set);
+ }
+ XBT_OUT();
+ return (surf_action_t) action;
+}
+
+static void* storage_create_resource(const char* id, const char* model,const char* type_id,
+ xbt_dict_t content, xbt_dict_t storage_properties)
+{
+ storage_t storage = NULL;
+
+ xbt_assert(!surf_storage_resource_by_name(id),
+ "Storage '%s' declared several times in the platform file",
+ id);
+ storage = (storage_t) surf_resource_new(sizeof(s_storage_t),
+ surf_storage_model, id,storage_properties);
+
+ storage->state_current = SURF_RESOURCE_ON;
+
+ xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
+
+ XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' \n\t\tmodel '%s' \n\t\tcontent '%p'\n\t\tproperties '%p'\n",
+ id,
+ model,
+ type_id,
+ content,
+ storage_properties);
+
+ return storage;
}
static void storage_finalize(void)
{
+ lmm_system_free(storage_maxmin_system);
+ storage_maxmin_system = NULL;
+
surf_model_exit(surf_storage_model);
surf_storage_model = NULL;
+
+ xbt_swag_free
+ (storage_running_action_set_that_does_not_need_being_checked);
+ storage_running_action_set_that_does_not_need_being_checked = NULL;
+}
+
+static void storage_update_actions_state(double now, double delta)
+{
+ surf_action_storage_t action = NULL;
+ surf_action_storage_t next_action = NULL;
+ xbt_swag_t running_actions = surf_storage_model->states.running_action_set;
+ xbt_swag_foreach_safe(action, next_action, running_actions) {
+
+ double_update(&(GENERIC_ACTION(action).remains),
+ lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
+ if (GENERIC_LMM_ACTION(action).generic_action.max_duration != NO_MAX_DURATION)
+ double_update(&(GENERIC_ACTION(action).max_duration), delta);
+ if ((GENERIC_ACTION(action).remains <= 0) &&
+ (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) > 0)) {
+ GENERIC_ACTION(action).finish = surf_get_clock();
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+ } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
+ (GENERIC_ACTION(action).max_duration <= 0)) {
+ GENERIC_ACTION(action).finish = surf_get_clock();
+ storage_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
+ }
+ }
+
+ return;
+}
+
+static double storage_share_resources(double NOW)
+{
+ XBT_DEBUG("storage_share_resources %f",NOW);
+ s_surf_action_storage_t action;
+ return generic_maxmin_share_resources(surf_storage_model->states.running_action_set,
+ xbt_swag_offset(action, generic_lmm_action.variable),
+ storage_maxmin_system, lmm_solve);
+}
+
+static int storage_resource_used(void *resource_id)
+{
+ THROW_UNIMPLEMENTED;
+ return 0;
+}
+
+static void storage_resources_state(void *id, tmgr_trace_event_t event_type,
+ double value, double time)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+static int storage_action_unref(surf_action_t action)
+{
+ action->refcount--;
+ if (!action->refcount) {
+ xbt_swag_remove(action, action->state_set);
+ if (((surf_action_lmm_t) action)->variable)
+ lmm_variable_free(storage_maxmin_system,
+ ((surf_action_lmm_t) action)->variable);
+#ifdef HAVE_TRACING
+ xbt_free(action->category);
+#endif
+ surf_action_free(&action);
+ return 1;
+ }
+ return 0;
+}
+
+static void storage_action_cancel(surf_action_t action)
+{
+ surf_action_state_set(action, SURF_ACTION_FAILED);
+ return;
+}
+
+static void storage_action_state_set(surf_action_t action, e_surf_action_state_t state)
+{
+ surf_action_state_set(action, state);
+ return;
+}
+
+static void storage_action_suspend(surf_action_t action)
+{
+ XBT_IN("(%p)", action);
+ if (((surf_action_lmm_t) action)->suspended != 2) {
+ lmm_update_variable_weight(storage_maxmin_system,
+ ((surf_action_lmm_t) action)->variable,
+ 0.0);
+ ((surf_action_lmm_t) action)->suspended = 1;
+ }
+ XBT_OUT();
+}
+
+static void storage_action_resume(surf_action_t action)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+static int storage_action_is_suspended(surf_action_t action)
+{
+ return (((surf_action_lmm_t) action)->suspended == 1);
+}
+
+static void storage_action_set_max_duration(surf_action_t action, double duration)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+static void storage_action_set_priority(surf_action_t action, double priority)
+{
+ THROW_UNIMPLEMENTED;
}
static void parse_storage_init(sg_platf_storage_cbarg_t storage)
{
- storage_create_resource(storage->id,
- storage->model,
- storage->content,
- storage->properties);
+ void* stype = xbt_lib_get_or_null(storage_type_lib,
+ storage->type_id,
+ ROUTING_STORAGE_TYPE_LEVEL);
+ if(!stype) xbt_die("No storage type '%s'",storage->type_id);
+// XBT_INFO("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' \n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tproperties '%p'\n",
+// storage->id,
+// ((storage_type_t) stype)->model,
+// ((storage_type_t) stype)->type_id,
+// ((storage_type_t) stype)->content,
+// ((storage_type_t) stype)->properties);
+
+ storage_create_resource(storage->id,
+ ((storage_type_t) stype)->model,
+ ((storage_type_t) stype)->type_id,
+ ((storage_type_t) stype)->content,
+ NULL);
+}
+
+static void parse_mstorage_init(sg_platf_mstorage_cbarg_t mstorage)
+{
+ XBT_DEBUG("parse_mstorage_init");
+}
+
+static void parse_storage_type_init(sg_platf_storage_type_cbarg_t storagetype_)
+{
+ XBT_DEBUG("parse_storage_type_init");
+}
+
+static void parse_mount_init(sg_platf_mount_cbarg_t mount)
+{
+ XBT_DEBUG("parse_mount_init");
}
static void storage_define_callbacks()
{
sg_platf_storage_add_cb(parse_storage_init);
+ sg_platf_storage_type_add_cb(parse_storage_type_init);
+ sg_platf_mstorage_add_cb(parse_mstorage_init);
+ sg_platf_mount_add_cb(parse_mount_init);
}
static void surf_storage_model_init_internal(void)
{
+ s_surf_action_t action;
+
XBT_DEBUG("surf_storage_model_init_internal");
surf_storage_model = surf_model_init();
+ storage_running_action_set_that_does_not_need_being_checked =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
+
surf_storage_model->name = "Storage";
+ surf_storage_model->action_unref = storage_action_unref;
+ surf_storage_model->action_cancel = storage_action_cancel;
+ surf_storage_model->action_state_set = storage_action_state_set;
+
+ surf_storage_model->model_private->finalize = storage_finalize;
+ surf_storage_model->model_private->update_actions_state = storage_update_actions_state;
+ surf_storage_model->model_private->share_resources = storage_share_resources;
+ surf_storage_model->model_private->resource_used = storage_resource_used;
+ surf_storage_model->model_private->update_resource_state = storage_resources_state;
+
+ surf_storage_model->suspend = storage_action_suspend;
+ surf_storage_model->resume = storage_action_resume;
+ surf_storage_model->is_suspended = storage_action_is_suspended;
+ surf_storage_model->set_max_duration = storage_action_set_max_duration;
+ surf_storage_model->set_priority = storage_action_set_priority;
surf_storage_model->extension.storage.open = storage_action_open;
surf_storage_model->extension.storage.close = storage_action_close;
surf_storage_model->extension.storage.stat = storage_action_stat;
surf_storage_model->extension.storage.create_resource = storage_create_resource;
- surf_storage_model->model_private->finalize = storage_finalize;
+ if (!storage_maxmin_system) {
+ storage_maxmin_system = lmm_system_new(storage_selective_update);
+ }
- xbt_dynar_push(model_list, &surf_storage_model);
}
void surf_storage_model_init_default(void)
{
surf_storage_model_init_internal();
storage_define_callbacks();
+
+ xbt_dynar_push(model_list, &surf_storage_model);
}
